/*******************************************************************************
 * Copyright 2009 
 * 
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *   http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 ******************************************************************************/
/**
 * Place holder for copyright, needs to be replaced before release.
 */
package com.softao.ming.gde.core.model;

/**
 * 
 */
public interface IExtensionPoint {

	/**
	 * @return the unique identifier.
	 */
	public String getUniqueIdentifier();
	
	/**
	 * @return all extensions matched for this extension point.
	 */
	public IExtension[] getExtensions();
	
	/**
	 * @param extensionId
	 * @return the extension.
	 */
	public IExtension getExtension(String extensionId);
	
	
	/**
	 * @param rootElementId
	 * @return the extension by root element id
	 */
	public IExtension getExtensionByRootConfigurationElementId(String rootElementId);

}
